latent heat flux 中文意思是什麼
latent heat flux
解釋
潛熱通量-
The variation of wind speed dominates the variation of latent heat flux eventually
感熱通量的變化主要由海氣溫差的變化主導。 -
It shows that the surface temperature is extremely sensitive to land surface characteristics. a pdf of land surface temperature is given that is used in calculating sensible heat flux and latent heat flux of yangtze river lower region
（ 3 ）利用noaaavhrr衛星資料反演了長江三角洲（長江下游）地表溫度，發現地表溫度對下墊面特徵的空間變化較為敏感。 -
The half - year cycle of latent heat flux exists in the xisha area, with the maximum appearing in winter
西沙海面潛熱通量存在半年周期特徵，極大值也是出現在冬半年。 -
In equatorial regions, the air - sea humidity difference is overestimated in whoi relative to pirata, which leads to the biases in latent heat flux
在赤道區， whoi對海氣濕度差的估計相對于pirata偏高，直接導致其對潛熱通量的估計偏差。 -
Moreover, evapotranspiration consumes mainly net radiation on a clear day and sensible heat flux is greater than latent heat flux on a cloudy day above spring wheat field
在有植被覆蓋或裸地下墊面，晴天、陰天的凈輻射、潛熱、感熱及土壤熱通量均表現出了與平均狀況一樣的日變化特徵。 -
With highest respective boundary pbl parameter scheme, we devise five test projects : control experiment and sensitive experiments without sensible heat flux, without latent heat flux, without sensible and latent heat flux, without terrain
在高解析度邊界pbl參數化方案下設計5組試驗方案，對幾個個例風場進行模擬檢驗：控制試驗、無感熱試驗、無潛熱試驗、無感熱無潛熱試驗、無地形試驗。 -
( 2 ) based on gaining the surface parameters, to compare to diversified retrieve model to choose optimal one to retrieve net radiance flux, soil heat flux and latent heat flux, which settle the groundwork to calculate the regional et
在獲取地表參數的基礎上，反復對比前人各種遙感反演模型，選擇最佳模型對長江三角洲的區域凈輻射通量、土壤熱通量、潛熱通量進行了反演，為計算區域蒸散量奠定了基礎。 -
It is found that the climatological mean of wind speed and air - sea humidity difference are both large, the variation of wind speed are almost in phase with air - sea humidity difference, yielding much larger or smaller latent heat flux. so the ocean release the most latent heat in its own winter of the two hemispheres when both wind speed and air - sea humidity difference are large
發現在南北兩信風區，風速和海氣濕度差的變化幾乎是同位相的，平均背景風速和海氣濕度差都較大，他們互相加強彼此對潛熱通量變化的貢獻，所以海洋潛熱損失最大是發生信風南北兩區的各自風速和海氣濕度差都較大的冬季。 -
In the region north of brazil, although both wind speed and air - sea humidity difference have dramatic variations, the variation of latent heat flux is just ordinary in magnitude. the reason is that the variations of wind speed and air - sea humidity difference are out of phase with each other so that they decrease each other greatly
在巴西以北的暖水區，盡管海氣濕度差的變化和風速的變化都較大，但二者在區域內總是反相，彼此削弱了對潛熱通量變化的貢獻，所以該區潛熱通量的變化振幅較小，最終由風速的變化主導潛熱通量的變化。 -
The maximum of instantaneous global radiation is beyond 1000w / m2 and the ten - days average intensity is 338. 90w / m2 because of high atmospheric transparency over semi - arid rainfed agriculture region of loess plateau between june and august. global radiation, reflected global radiation and surface long wave radiation emerge the characteristic of daily variations on a typical clear day and cloudy day, whereas atmospheric long wave radiation has not this characteristic. meanwhile, net radiation, latent heat flux sensible heat flux and soil heat flux appear the same characteristic as the mean daily variations above spring wheat field and bare soil on a typical clear day and cloudy day
黃土高原半乾旱雨養農業區夏秋季大氣透明度較高，晴天地面的總輻射值最大瞬時值均超過1000w m ~ 2 ， 6 8月總輻射旬平均強度為338 . 90w m ~ 2 ；典型晴天和陰天總輻射、反射輻射、地表長波輻射均表現出明顯的日變化特徵，而雨天沒有明顯的日循環規律；無論是晴天、陰天還是雨天，大氣長波輻射基本沒有明顯的日變化規律。 -
Similarly, the net radiation on a cloudy day is mainly used up evaporation of soil. the integrated value of soil heat flux is negative on a cloudy day and that shows the soil emits the heat, which is different on a clear day. in short, average latent, sensible and soil heat flux is 67 %, 21 % and 6 % of net radiation respectively
在裸地下墊面時，晴天潛熱佔到凈輻射的60 ，顯熱交換只佔到19 ，在陰天凈輻射同樣主要消耗于土壤蒸發，與晴天不同的是在陰天土壤熱通量積分值小於零，表明土壤在向外釋放熱量；平均狀況下，潛熱、顯熱和土壤熱通分別佔到凈輻射的67 、 21和6 。 -
The results show that the local average temperature and average surface temperature will rise, and both daily difference will rise, too. average sensible heat flux and its daily difference will also increase while average latent heat flux and its daily difference will reduce after the vegetation degration of some area in the west of liaoning province ; the average temperature will raise 0 - 0. 5, average surface temperature will raise 0 - 1. 0, average sensible heat flux will increase 5 - 40w / m2, about 8 - 55 % and average latent heat flux will reduce 5 - 60w / m2, about 4 - 48 %
模擬結果表明：在遼西部分地區植被退化后，當地6 、 7 、 8三個月的夏季平均氣溫和平均地面溫度升高，兩者的日較差增大，平均感熱通量及其日較差也增大，平均潛熱通量及其日較差減小；平均氣溫升高0 0 . 5 ，平均地面溫度升高0 1 . 0 ，平均感熱通量增大5 40w / m ~ 2 ，約8 55 ，平均潛熱通量減小5 60w / m ~ 2 ，約4 48 。 -
In equatorial region, the mean air - sea humidity difference is much smaller, so the variations of air - sea humidity difference under large mean wind speed dominate the variations of latent heat flux. the ocean release the most heat during the period from march to may, when sst is highest in the whole year because sst dominates the variation of air - sea humidity difference
在赤道冷舌區，平均的背景海氣濕度差比較小，所以平均風速背景下的海氣濕度差的熱帶大西洋海表潛熱和感熱通量的季節和年際變化研究變化主導該區的潛熱通量的變化。 -
In short, through retrieving the parameter such as surface albedo, surface temperature and surface emissivity, all the energy flux such as net radiance flux, soil heat flux and latent heat flux can be computed in sequence further, then latent heat flux which provide energy for et can be computed based on energy balance equation, finally instantaneous et and daily et can be obtained
總之，根據地表能量平衡方程，通過計算對地表反照率、地表溫度、地表比輻射系數、歸一化植被指數等參數進行反演，進一步計算出了地表凈輻射通量，土壤熱通量和潛熱通量，最後獲得了遙感影像成像時的瞬時蒸散及當天的總蒸散量。 -
Soil heat flux from atmosphere to soil is about 5 % of net radiation on a clear and cloudy day and soil discharge energy to atmosphere on a rainy day above the same field. in brief, average latent heat, sensible heat and soil heat flux is 40 %. 50 % and 10 % of net radiation respectively
在春小麥下墊面，晴天能量主要消耗于農田蒸散，而在陰天顯熱交換大於農田蒸散耗熱；在晴天和陰天大氣向土壤的能量傳輸均維持在凈輻射的5左右，雨天時，土壤熱通量為負值。 -
Some variables regional distribution over south ningxia is given out in the course of evapotranspiration estimation : the regional distribution of surface characteristic parameters ( normalzed difference vegetation index, surface albedo, surface temperature ), radiation balance components ( surface absorbed shortwave radiation, surface longwave radiation, atmospheric counter radiation, net radiation ), surface heat and balance components ( soil heat flux, sensible heat flux, latent heat flux )
估算區域蒸發（散）量的過程中，得到許多有意義的量：地表特徵參數（植被指數ndvi 、地表反射率、地表溫度） ；地表輻射平衡各量（地表短波吸收輻射、地表長波輻射、大氣逆輻射、地表凈輻射） ；地表熱量平衡各量（土壤熱通量、顯熱通量、潛熱通量） 。 -
In climatological itcz, the mean air - sea humidity difference is greater relatively so that the variation of wind speed under large mean air - sea humidity difference is the main factor influencing the variation of latent heat flux. the latent heat loss is greatest from june to august when the wind speed is largest in the region
在氣候平均的工tcz區，平均的背景海氣濕度差比較大，所以平均海氣濕度差背景下風速的變化主導潛熱通量的變化，因此該區潛熱損失最大值發生在風速最大的6一8月份。 -
Based on the importance of heat flux variability to the earth ' s climate change and the dependence of the study about heat flux variability on the accuracy of heat flux data, this study will focus on the quality evaluation of heat flux datasets available and seasonal and interannual variability of latent and sensible heat fluxes in the tropical atlantic ocean
基於海表潛熱和感熱通量的時空變化在全球變化中的重要性和海表潛熱和感熱通量研究對熱通量資料產品精度的依賴性，本文重點就現有熱通量資料產品的質量和熱帶大西洋海表潛熱和感熱通量的季節和年際變化開展較深入的研究。 -
A very much different fluxes model was suggested for remote sensing estimation, which takes account of the effects of advections in vertically or horizontally anisothermal vegetations. the inter - exchange of heat can result in lower total sensible heat flux and higher total latent heat flux of the considered areas. this method is designed technically for the simulations of pixel, is a try of new generation effluxes model
針對遙感基於像元計算的特點，提出一種全新的通量計算方法，模型的結構和思路專為遙感像元面上計算的特點而設計，主要考慮由地表非均勻和不連續性引起的像元內部熱量交換? ?局地微平流對顯熱和潛熱通量的影響，驗證表明，這種考慮平流的非均勻模型可以較好地模擬地表非均勻狀態下的熱量通量。
分享友人